Touch event flag should control only DOM event firing.

chrome/browser/about_flags.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 117 matching lines @@
 using flags_ui::kOsCrOSOwnerOnly;
 
 namespace about_flags {
 
 namespace {
 
 const unsigned kOsAll = kOsMac | kOsWin | kOsLinux | kOsCrOS | kOsAndroid;
 const unsigned kOsDesktop = kOsMac | kOsWin | kOsLinux | kOsCrOS;
 
 const FeatureEntry::Choice kTouchEventsChoices[] = {
-  { IDS_GENERIC_EXPERIMENT_CHOICE_AUTOMATIC, "", "" },
-  { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED,
-    switches::kTouchEvents,
-    switches::kTouchEventsEnabled },
-  { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
-    switches::kTouchEvents,
-    switches::kTouchEventsDisabled }
+    { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, "", "" },
+    { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kTouchEvents,
+        switches::kTouchEventsDisabled },
+    { IDS_GENERIC_EXPERIMENT_CHOICE_AUTOMATIC, switches::kTouchEvents,
+        switches::kTouchEventsAuto }
 };
 
 #if defined(USE_AURA)
 const FeatureEntry::Choice kOverscrollHistoryNavigationChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, "", "" },
   { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
     switches::kOverscrollHistoryNavigation,
     "0" },
   { IDS_OVERSCROLL_HISTORY_NAVIGATION_SIMPLE_UI,
     switches::kOverscrollHistoryNavigation,
@@ skipping 2163 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags